Safilo Group has patented a frame for spectacles with an innovative hinge design. The front mount and arms are connected through a unique articulated connection, ensuring relative positioning is maintained during arm rotation. The design includes through-holes in the lugs for arm movement and connection to the hinge pin. GlobalData’s report on Safilo Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Safilo Group, Smart glasses was a key innovation area identified from patents. Safilo Group's grant share as of February 2024 was 100%. Grant share is based on the ratio of number of grants to total number of patents.

Articulated frame for spectacles with hinged arms

Source: United States Patent and Trademark Office (USPTO). Credit: Safilo Group SpA

A recently granted patent (Publication Number: US11906819B2) discloses a unique frame design for spectacles that includes a front mount with lateral lugs for articulation of arms, each equipped with a hinge pin to create an articulated connection. The arms consist of two portions, with the second portion bent towards the first and featuring a concave profile surrounding the pin to maintain relative positioning during movement. The frame also includes through-holes in the lugs for arm movement and resilient preloading for connection between the arm and pin.

Furthermore, the patented frame design incorporates a specific configuration for the second arm portion, comprising two contiguous parts angled towards each other to form a concave profile. The hinge pin features a lateral covering with planar surfaces angled for stable positioning of the arm in opening and closing positions. Additionally, the lug includes an abutment surface to define the limit of the arm's rotational movement, enhancing the functionality and durability of the spectacles frame.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.